/Engine/Source/Developer/AutomationDriver/Public/IDriverSequence.h
Queues a change of focus to the element, then triggers the series of events to invoke keyboard input for each argument in order from N to 1. They will not be pressed if it is not currently being pressed.
[IActionSequence](API\Developer\AutomationDriver\IActionSequence) & ReleaseChord ( const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [IElementLocator](API\Developer\AutomationDriver\IElementLocator), ESPMode::ThreadSafe > & ElementLocator, [FKey](API\Runtime\InputCore\FKey) Key1, [FKey](API\Runtime\InputCore\FKey) Key2 )